It can be obtained by Shaking a Resplendent Diamond and Gem Polisher obtained through Alchemy. It requires the knowledge of Shaking: Skilled.
* Shaking: Skilled can be obtained as a challenge reward after achieving Processing Artisan Level 1.
It can be Excavated at Rhua Tree Stub and Mansha Forest.
Low chance to obtain after defeating Kutum.
Exchange either 2 Shiny Golden Seals - [Imperial Training] or 1 Horse Race Seal.